This revelation debunks former Secretary of State John Kerry's assessment in 2014 that Syria had handed over "100 percent" of its chemical stockpile at the Obama administration's urging. At the time, PolitiFact rated his statement Mostly True, but on Thursday they published a retraction.

President Trump is reportedly weighing military responses to the Syrian gas attack, which killed upwards of 100 people. Speaking to reporters on Air Force One Thursday, he said what Assad did demands consequences.

"I think what happened in Syria is a disgrace to humanity and he’s there, and I guess he’s running things, so something should happen," Trump said.